Currently, Kickstart doesn't allow choosing multi-value'd list, you'll have to do it by hand. Either by using a HTML-select box (if you're using embedded forms) or using a form-property of type ENUM.
Thanks for your reply. In case i am designing a process using Business process acrhive in Activiti modeller how to deploy my file to display in processes. When i upload my file in activiti probe i am getting error. How to deploy my file. Any idea? I want the same case as in sales lead example. How to do it?